Multipurpose Dosimeter-Radiometer
MKS-UM is a full-range radiation survey device in the field environment, which measures alpha, beta, gamma and X-ray radiation. The gamma radiation dose rate is measured from the background to emergency levels. High protection rating and a hard shell allow using the device in harsh climatic and dusty conditions.
Measurement of ambient dose equivalent rate (DER) of gamma and X-ray radiation
Measurement of ambient dose equivalent (DE) of gamma and X-ray radiation
Measurement of beta-particles surface flux density and beta-particles surface activity
Measurement of alpha-particles surface flux density and alpha-particles surface activity
Measurement of accumulation time of gamma and X-ray radiation DE
Archive of measurement results tagged to location coordinates
Gas-discharge Geiger-Muller counters without return run of counting response
Silicon beta radiation detector
Possibility to measure ambient dose equivalent rate (DER) of gamma radiation with the detector which is built in the control unit
Automatic selection between measurement intervals and ranges
Audio signaling of each registered gamma-quantum or beta particle
Backlight of display and control buttons for operation in the dark
Rechargeable Li-lon battery charging by the built-in charger from:
– solar panel
– 12 V automobile battery
– industrial network 220 V/50 Hz
Multilevel indication of battery discharge
Analog indicator of radiation intensity
IP56 of control unit and IP57 of detecting units
Logging of up to 1 500 measurement results tagged to location coordinates in the non-volatile memory via USB/IrDA adapter to the PC (built-in GPS receiver)
Viewing of logged measurement results on the display
Easy to operate even if wearing personal protection – rubber gloves
| Key specifications of the control unit of the MKS-UM dosimeter-radiometer (hereinafter the control unit) | ||||||||
|---|---|---|---|---|---|---|---|---|
| Measurement range of photon-ionizing radiation DER | 10-1 … 106 μSv/h | |||||||
| Indication range of pulse count rate from gamma radiation detector | 0 … 9 999 cps | |||||||
| Measurement range of photon-ionizing radiation DE | 0.001 … 9 999 mSv | |||||||
| Main relative permissible error limit during DER measurement at 137Cs calibration with 0.95 confidence probability | (15+2/H*(10)) %, where H*(10) is a dimensionless quantity, numerically equal to DER value measured in μSv/h | |||||||
| Main relative permissible error limit during DE measurement at 137Cs calibration with 0.95 confidence probability | 15 % | |||||||
| Energy range of recorded photon-ionizing radiation | 0.05 … 3 MeV | |||||||
| Energy dependence during photon-ionizing radiation DER and DE measurement in the energy range from 0.05 MeV to 1.25 MeV, relative to 0.662 MeV energy, not more | ± 30 % | |||||||
| Measurement range of DE accumulation time | 1 min … 9 999 hrs | |||||||
| Accuracy of DE accumulation time measurement for 24 hrs | ± 1 min | |||||||
| Operating supply voltage of the dosimeter from Li-Ion storage battery (4 000 mAh) | 3.7 V | |||||||
| Additional relative permissible error limit during measurement caused by supply voltage deviation from the reference value in the voltage range from 3.4 V to 4.2 V, for all measured physical quantities, not more | 5 % | |||||||
| Additional relative permissible error limit during measurement caused by deviation of environmental temperature from 20 ос in the temperature variation range from minus 30 оС to + 55 оС | 5 % per each 10 оС deviation from 20 оС | |||||||
| Operating mode setup time while the control unit is exposed to photon-ionizing radiation with DER equal to 5 µSv/h, not more | 5 min | |||||||
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1 200 hrs
70 hrs 300 hrs 50 hrs |
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| Unstable readings of the dosimeter during DER measurement for an 8-hour continuous operation, not more | 5 % | |||||||
| Dimensions of the control unit (in hard shell with solar panel), not more | 166 × 70 × 132 mm | |||||||
| Weight of the control unit, not more | 0.7 kg | |||||||
| Weight of the control unit (in hard shell with solar panel), not more | 1.3 kg | |||||||
| Key specifications of the BDKS-01 combined detecting unit of gamma, beta radiation (hereinafter referred to as BG probe) | ||||||||
|---|---|---|---|---|---|---|---|---|
| Measurement range of photon-ionizing radiation DER | 10-1 … 107 μSv/h | |||||||
| Indication range of pulse count rate from gamma radiation detector | 0 … 9 999 cps | |||||||
| Main relative permissible error limit during photon-ionizing radiation DER measurement at 137Cs calibration with 0.95 confidence probability | (15+2/H*(10)) %, where H*(10) is a dimensionless quantity, numerically equal to DER value measured in μSv/h | |||||||
| Energy range of recorded photon-ionizing radiation | 0.05 … 3 MeV | |||||||
| Additional relative permissible error limit during measurement of photon-ionizing radiation DER caused by deviation of environmental temperature from 20 оС in the temperature variation range from minus 30 оС to + 55 оС | 5 % per each 10 оС deviation from 20 оС | |||||||
| Operating mode setup time while the BG probe is exposed to photon-ionizing radiation with DER equal to 5 µSv/h, not more | 1 min | |||||||
| Operating mode setup time when measuring surface beta-particles flux density and surface activity of beta-emitting radionuclides, not more | 1 min | |||||||
| Measurement range of surface beta-particles flux density | 10 … 200 000 part./(cm²·min) | |||||||
| Measurement range of surface activity of beta-emitting radionuclides | 0.5 … 9 000 Bq/cm² for С0 source type (90Sr/90Y)(efficiency of C0 type sources is 0.377) | |||||||
| Indication range of pulse count rate from beta radiation detector | 0 … 9 999 cps | |||||||
| Energy range of recorded beta radiation | 0.3 … 3 MeV | |||||||
| Main relative permissible error limit during measurement of surface beta-particles flux density in the range from 10 part./(cm²·min) to 200 000 part./(cm²·min) at 90Sr/90Y calibration with 0.95 confidence probability | (20+200/Fβ) %, where Fβ is a dimensionless quantity, numerically equal to surface beta-particles flux density value measured in part./(cm²·min) | |||||||
| Main relative permissible error limit during measurement of surface activity of beta-emitting radionuclides in the range from 0.5 Bq/cm² to 9 000 Bq/cm² at 90Sr/90Y calibration with 0.95 confidence probability from С0 type source | (20+10/Аβ) %, where Аβ is a dimensionless quantity, numerically equal to surface activity of beta-emitting radionuclides value measured in Bq/cm² | |||||||
| Area of the detector’s sensitivity | 1 cm² | |||||||
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| Additional relative permissible error limit during measurement of surface beta-particles flux density and surface activity of beta-emitting radionuclides caused by variation of environmental temperature from minus 30 оС to + 55 оС | 5 % per each 10 оС of deviation from 20 оС | |||||||
| Unstable readings during measurement of all physical quantities for an 8-hour continuous operation, not more | 5 % | |||||||
| Dimensions of the BG probe, not more | 47 × 95 × 173 mm | |||||||
| Weight of the BG probe, not more | 0.3 kg | |||||||
| Specifications of the BDKS-02 combined detecting unit of alpha, beta, gamma radiation (ABG Probe) | ||||||||
|---|---|---|---|---|---|---|---|---|
| Measurement range of photon-ionizing radiation DER | 10-1 … 2·106 μSv/h | |||||||
| Indication range of pulse count rate from photon-ionizing radiation detector | 0 … 9 999 cps | |||||||
| Main relative permissible error limit during measurement of photon-ionizing radiation DER at 137Cs calibration with 0.95 confidence probability | (15+2/H*(10)) %, where H*(10) is a dimensionless quantity, numerically equal to DER value measured in μSv/h | |||||||
| Energy range of detected photon-ionizing radiation | 0.05 … 3 MeV | |||||||
| Additional relative permissible error limit during measurement of photon-ionizing radiation DER caused by deviation of environmental temperature from 20 оС in the temperature variation range from minus 30 оС to + 55 оС | 5 % per each 10 оС of deviation from 20 оС | |||||||
| Setup time of operating mode while the ABG Probe is exposed to photon-ionizing radiation with DER equal to 5 µSv/h, not more | 1 min | |||||||
| Setup time of operating mode when measuring beta-particles flux density and surface activity of beta-emitting radionuclides, not more | 1 min | |||||||
| Measurement range of surface beta-particles flux density | 10 … 300 000 part./(cm²·min) | |||||||
| Measurement range of surface activity of beta-emitting radionuclides | 0.5 … 13 500 Bq/cm²for С0 source type (90Sr/90Y)(efficiency of C0 type sources is 0.377) | |||||||
| Indication range of pulse count rate from beta radiation detector | 0 … 9 999 cps | |||||||
| Energy range of detected beta-particles | 0.15 … 3 MeV | |||||||
| Main relative permissible error limit during measurement of surface beta-particles flux density in the range from 10 to 300 000 part./(cm²·min) at 90Sr/90Y calibration with 0.95 confidence probability | (20+200/Fβ) %, where Fβ is a dimensionless quantity, numerically equal to surface beta-particles flux density value measured in part./(cm²·min) | |||||||
| Main relative permissible error limit during measurement of surface activity of beta-emitting radionuclides in the range from 0.5 to 13 500 Bq/cm² at 90Sr/90Y calibration with 0.95 confidence probability from standard source of С0 type | (20+10/Аβ) %, where Аβ is dimensionless quantity, numerically equal to surface activity of beta-emitting radionuclides value measured in Bq/cm² | |||||||
| Area of the detector’s sensitivity | 7 cm² | |||||||
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| Additional relative permissible error limit during measurement of surface beta-particles flux density and surface activity of beta-emitting radionuclides caused by variation of environmental temperature from minus 30 оС to + 55 оС | ± 5 % per each 10 оС of deviation from 20 оС | |||||||
| Measurement range of surface alpha-particles flux density | 10 … 300 000 part./(cm²·min) | |||||||
| Measurement range of surface activity of alpha-emitting radionuclides | 0.5 … 10 000 Bq/cm²for П9 source type (239Pu)(efficiency of П9 type sources is 0.490) | |||||||
| Energy range of detected alpha-particles | 4 … 8 MeV | |||||||
| Indication range of pulse count rate from alpha radiation detector | 0 … 9 999 cps | |||||||
| Main relative permissible error limit during measurement of surface alpha-particles flux density in the range from 10 to 300 000 part./(cm²·min) at 239Pu calibration with 0.95 confidence probability | (15+300/Fα) %, where Fα is a dimensionless quantity, numerically equal to surface alpha-particles flux density value measured in part./(cm²·min) | |||||||
| Main relative permissible error limit during measurement of surface activity of alpha-emitting radionuclides in the range from 0.5 to 10 000 Bq/cm2 at 239Pu calibration with 0.95 confidence probability from standard source of П9 type | (15+15/Аα) %, where Аα is a dimensionless quantity, numerically equal to surface activity of alpha-emitting radionuclides value measured in Bq/cm² | |||||||
| Area of the detector’s sensitivity | 13 cm² | |||||||
| Alpha-particles detection efficiency from 239Pu isotope, not less | 0.06 | |||||||
| Additional relative permissible error limit during measurement of surface alpha-particles flux density and surface activity of alpha-emitting radionuclides caused by variation of environmental temperature from minus 30 оС to + 55 оС | 5 % per each 10 оС of deviation from 20 оС | |||||||
| Setup time of operating mode when measuring alpha-particles flux density and surface activity of alpha-emitting radionuclides, not more | 1 min | |||||||
| Unstable readings during measurement of all physical quantities during an 8-hour continuous operation, not more | 5 % | |||||||
| Dimensions of the ABG probe, not more | 74 × 165 × 35 mm | |||||||
| Weight of the ABG probe, not more | 0.7 kg | |||||||
